| cumulative index: 1994 – present |
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Author: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q-R | S | T | U-V | W | X-Y-Z Subject: A | B | C | D | E | F | G | H I | K | L | M | N | O | P | R | S | T | U | V | W |
| Maintenance | Date | ||
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A
case study in rapid machinery turnarounds Here's how several major repairs were accomplished in less than a month |
Jan-01 | ||
A quick guide to compressor suction knockout drum sizing Mist eliminator and gravity settling methods are reviewed |
Jun-03 |
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A simple way to estimate equipment pressure drops The equivalent line length method can be used to estimate equipment pressure drop at different operating conditions |
Aug-05 |
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An effective method for analyzing piping vibration problems The matching mode shape technique combines field vibration data with natural frequency information |
Apr-04 |
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Achieve world-class maintenance turnarounds Incorporate these work processes and key elements |
Dec-02 |
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Achieving industry-best asset optimization Three essential objectives gain the performance level needed to obtain and sustain business success |
May-05 |
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Achieving world-class operating performance Apply appropriate reliability and operating improvement techniques in an integrated process to match plant capabilities |
Jan-05 |
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Acoustic fatigue in large turbocompressors and pressure reduction system A near-field sound pressure level screening method can predict problems |
Aug-01 |
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Air pollution control options to successfully manage VOC/HAP emissions Choose the correct technology to comply with permitting requirements |
Nov-03 |
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All you need to know about centrifugal pumps, Part 1 Understand these factors for reliable, optimal operation |
Aug-01 |
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All you need to know about centrifugal pumps, Part 2 Specific applications, condition monitoring and other considerations are presented |
Oct-01 |
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Analyze bearing problems by ball path inspection Use these guidelines for examining the contact surfaces of rolling elements to determine causes of failure |
Apr-94 |
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Analyzing gear failures Use this information to identify and eliminate problems |
Apr-00 |
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Anatomy of a capacity increase, maintenance project for an ethylene unit Revamp work is achieved both cost-effectively and safely |
Jul-01 |
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Apply mechanical reliability principles to turbomachinery design Use these guidelines to improve availability |
Oct-00 |
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Applying and implementing risk-based inspection programs Use these guidelines to help ensure success. |
Jan-02 |
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Applying FT-IR in chemical cleaning This analysis technique can reduce maintenance costs by identifying deposits and films |
Aug-97 |
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Are you handling sulfur safely? Through open and frank discussions, refiners and industry consultants endeavor to resolve problems and questions commonly encountered with sulfur recovery units |
Jul-03 |
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Are your valves operating at top efficiency? Valve performance signatures play key roles in predictive maintenance programs |
Jan-95 |
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Audit your lubrication practices Payback can usually be measured in days by finding areas that need improvement |
Apr-03 |
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Avoid control valve application problems with physics-based models Kinetic energy criteria have many limitations |
Aug-01 |
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Avoid NGL plant machinery problems Proper application and maintenance improve reliability |
Jan-99 |
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Avoid open impeller failures Numerical methods can help determine causes of failure |
Aug-02 |
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Avoid pipe corrosion under insulation Keys are proper selection, installation and maintenance |
Apr-05 |
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Avoid sulfuric acid corrosion in metallic stacks Use these guidelines to prevent condensation of acidic gases |
Mar-05 |
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Bearing endurance and reliability – a user's perspective Use this life estimating method for critical unspared equipment |
Dec-04 |
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Behavior of dry-running piston rod sealing systems in crosshead compressors Various designs and materials were investigated |
Sep-04 |
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Benchmarking: a reliability driver Approaches range from purely quantitative to highly qualitative |
Aug-00 |
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Benefits of advanced process control maintenance Program reduces maintenance costs and increases return on investment |
Jan-95 |
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Better metallurgy for process equipment Use these engineering and application data to aid selection |
Jan-94 |
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Case 1: The fatigued motor shaft First in a series of bimonthly case histories. This one reveals why belt tension was the real cause of failure |
Feb-01 |
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Case 2: The hidden load in a three-bearing machine A screening analysis helps in understanding the cause |
Apr-01 |
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Case 3: Shaft galling in a bushing When troubleshooting, the cause may not be as obvious as it appears |
Jun-01 |
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Case 4: The wrong bearing in the right place Calculate B10 life to ensure reliable operation |
Aug-01 |
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Case 5: Can we continue to operate the vessel? Safe operation to a planned shutdown is always preferable |
Oct-01 |
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Case history 6: Keep those bolts tight It's important to keep operating loads less than the bolt preload |
Dec-01 |
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Case 7: Why is the agitator agitated? Analytical modeling can help identify the root cause |
Feb-02 |
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Case 8: Analyzing a leaking heat exchanger gasket Thermal upsets can cause this problem |
Apr-02 |
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Case 9: The machine remembered Machines have a memory of overstressed conditions |
Jun-02 |
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Case 10: Vibrating piping failures Historical charts are useful in showing where not to operate |
Aug-02 |
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Case 11: Excessive ball valve seat wear A wear model helps determine the root cause of the problem |
Oct-02 |
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Case 12: A compressor rod failure Sometimes a troubleshooter has to be a detective |
Dec-02 |
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Case 13: Large internal thread strip-out Analysis helps when making the tough decisions |
Feb-03 |
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Case 14: Analyzing crankshaft failure Sometimes both metallurgical and mechanical analysis are required |
Apr-03 |
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Case 15: The thermally bowed shaft Just a slight rub can self-generate more heat |
Jun-03 |
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Case 16: A piping failure due to water hammer System upsets can develop high piping loads |
Aug-03 |
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Case 17: Wreck of a centrifugal pump Understanding the entire flow system is important when determining the cause of a failure |
Oct-03 |
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Case 18: Problem-solving technique An orderly procedure allows data to be organized and analyzed |
Dec-03 |
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Case 19: A steam turbine diaphragm failure Confined water converted to steam develops high pressures |
Feb-04 |
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Case 20: Cold startup bearing failures Excessive clearance and hard starts can cause problems |
Apr-04 |
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Case 21: Analyzing a spline failure Torsional spline failures are telling you something |
Jun-04 |
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Case 22: The mysterious bending of impeller blades A quick analysis helps solve an unexplained failure |
Aug-04 |
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Case 23: Analyzing a crack-like defect in a vessel wall You should know what needs to be done but not necessarily how to do it |
Oct-04 |
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Case 24: The moving gearbox Thermal distortions can move a 50-ton gearbox |
Dec-04 |
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Case 25: The leaking flange gasket A simple calculation can help determine the cause |
Feb-05 |
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Case 26: Gathering failure data Solving the problem wasn’t so easy |
Apr-05 |
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Case 27: Brittle fracture concerns on vessels Specialists need to understand when they should obtain help |
Jun-05 |
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Case 28: Steel component fretting The problem can greatly reduce component fatigue life |
Aug-05 |
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Case 29: Pressure buildup in a ‘blocked-in’ pipe Liquid thermal expansion can rupture pipes |
Oct-05 |
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Case 30: One cause of a pump not pumping A stronger pump can block out the weaker one |
Dec-05 |
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Case 37: Can you tell me how long it will last? Troubleshooting differs from design |
Mar-07 |
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Case 38: Extruder wear prediction An analysis can help avoid wear problems before they occur |
May-07 |
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Case 40: Troubleshooting gear face damage A simple analysis can help in determining the root cause of the failure |
Sep-07 |
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Case 41: Cracking of a rotary dryer An analysis can help provide a plan forward |
Nov-07 |
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Case 42: Torsional vibration problems can be costly The results are hammering of the gears and fretting of the splines |
Jan-08 |
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Case 43: Containing a failed impeller A quick analysis can help direct further efforts |
Mar-08 |
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Case 44: Cracking due to sudden temperature changes in piping Excessive thermal stresses can be the cause |
May-08 |
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Case study in rapid machinery turnarounds, A Here's how several major repairs were accomplished in less than a month |
Jan-01 |
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Case study in reliability implementation These guidelines can be beneficial to any plant |
Aug-02 |
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Chemical plant satisfies OSHA and ISO standards Improve employee skills and receive ISO certification, as well |
Jun-95 |
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Combine temperature surveys, field tests and gamma scans for effective troubleshooting Each method offers pros and cons; yet combined, these techniques form a powerful tool to diagnose operational problems in fractionators |
Apr-03 |
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Combine troubleshooting and continuous monitoring of dynamic data for critical machinery Advanced systems provide more data and increase reliability |
Aug-05 |
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Computer delivery of operating and maintenance procedures Installing and implementing an electronic document management system can reduce labor costs |
May-96 |
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Computerization: problems and solutions To stay competitive you can't avoid it. Follow these suggestions to sidestep the pitfalls |
Jun-94 |
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Condition monitoring for reciprocating compressors Practical experience with computer-aided online systems shows how useful they can be |
Sep-02 |
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Conquer heat exchanger fouling Use these guidelines to identify problems and ensure stable heat transfer |
Jan-96 |
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Controlling crude unit overhead corrosion by improved desalting Here are benchmark values for evaluating the effectiveness of existing units |
Feb-08 |
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Consider a new contractor selection process for a shutdown alliance This formalized quality evaluation can yield company-wide strategic benefits |
Dec-98 | ||
Consider a practical approach to vacuum unit revamps Here are some major operating issues to evaluate in the front-end design |
Jan-06 |
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Consider a risk-based inspection program to improve safety and availability Within the framework of a process safety management program, this method helps to minimize maintenance costs and reduce plant risk level |
Feb-03 |
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Consider CFD modeling to improve reactor design for synthesis gas production Advancements in computational fluid methods simulate dynamics and reactions for autothermal reformers |
Jan-05 |
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Consider compressor upgrade options Substantial savings in time and money can be achieved |
Jan-01 |
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Consider diaphragm pumps for high environmental demands Other benefits include lower maintenance costs and higher efficiency |
Aug-03 |
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Consider duplex stainless steels for corrosive exchanger service Here's where they have solved corrosion problems |
Oct-01 |
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Consider fieldbus for retrofits Benefits result from reduced maintenance, greater safety and increased performance |
Sep-00 |
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Consider FRP linings instead of replacing storage tank bottoms |
Mar-95 |
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Consider low fouling technology for ‘dirty' heat transfer services Advances in heat exchanger designs mitigate fouling problems with crude oil preheater trains while conserving energy and cutting operating costs |
Mar-07 |
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Consider multi-jackbolt tensioners Benefits include improved safety and reduced cost and installation time |
Apr-03 |
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Consider multishaft compressors for hazardous applications With the right precautions, they can be a more efficient, less expensive alternative to inline compressors |
Jul-97 |
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Consider new approach to estimate styrene industry metrics Key benchmarks define operations performance for global industry |
Dec-07 |
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Consider online predictive technology to reduce electric motor maintenance costs Continuous monitoring can increase plant revenue and minimize downtime |
Jul-02 |
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Consider precast polymer concrete pump foundations Features include faster installation, improved corrosion resistance and lower vibration levels |
Jul-01 |
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Consider retrofits to handle high-viscosity crudes Refiners must fine-tune crude unit process design and energy balance to process a heavy feedslate |
Sep-04 |
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Consider spiral heat exchangers for fouling applications The inherent ‘self-cleaning’ action reduces downtime |
Jul-05 |
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Consider synthetic lubricants for process machinery Improve performance and achieve significant savings in process plant operating costs |
Jan-95 |
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Consider tubing solutions to enhance plant efficiency It is more economical and less prone to leaks in many applications |
Dec-03 |
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Consider using a new reliability tool: Weibull analysis for production data Using these techniques, companies can distinguish between processing problems and reliability issues |
Oct-01 |
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Control microbial growth in your cooling water Proper monitoring and chemical dosing can alleviate this challenge |
May-04 |
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Control valve fugitive emissions Inspection and maintenance programs are the most cost-effective control measures |
Aug-97 |
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Control valves for critical applications Know the causes of cavitation and flashing and how to prevent them |
Jun-01 |
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Control VOC emissions Consider these helpful suggestions to reduce or eliminate hydrocarbon or toxic emissions in process plant |
Aug-95 |
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Controlling centrifugal pumps Several options are available to match pump operating point to the process and still ensure system reliability |
Jul-95 |
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Cost-effective response to equipment failure Use this decision process to improve safety and reliability |
Oct-96 |
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Creating the 'smart plant' Before too long, your doorbell may ring and a repairman might say, ‘I received a request over the Web from your refrigerator to come and replace the drive belt.’ Will process equipment be far behind? |
Oct-03 |
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Cure liquid carryover from compressor suction drums Here's how to apply mist eliminators for higher throughput and efficiency |
Oct-04 |
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Dealing with deceptive failure modes Chemical failure mechanisms can disguise themselves as mechanical and vice versa |
Jul-03 |
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Defect analysis of an ammonia storage tank Here's how the causes of unusual problems with this tank were determined |
Apr-07 |
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Delayed coker safety systems Use automated drum switching and safety interlocks to increase safety and reliability |
May-99 |
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Design a safe, in-compliance relief valve A workable scheme can satisfy management, plant personnel and regulating agencies that the system is properly designed and maintained |
Oct-98 |
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Design consideration to prevent heat exchanger failure Tests show the importance of relief system design and location |
Nov-00 |
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Designing and maintaining plant piping and valve systems Guidelines help develop safe, reliable layouts |
Jul-97 |
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Designing steam reformers for hydrogen production Keep these important factors in mind when designing, revamping or troubleshooting |
Jul-94 |
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Detect corrosion under insulation Real-time X-ray is a proven effective method |
Jan-97 |
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Detect shaft cracks earlier Case study shows how an online monitoring system prevented a potentially catastrophic incident |
Nov-95 |
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Develop competencies to achieve reliability The difference between high and low performers is about $40 million/yr |
Mar-99 |
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Diagnostics capabilities of Foundation fieldbus pressure transmitters Tests in an FCC unit showed both instrument and process problems could be detected |
Apr-03 |
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Does the HON apply to your facility? Refiners must use common-sense rules to meet new emission standards |
Aug-94 |
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Dry gas seals and support systems: benefits and options Follow these guidelines for proper specification, installation and maintenance |
Nov-03 |
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Dynamic analysis of pipe stress Proper mathematical modeling requires a good understanding of the fundamentals |
Feb-03 |
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Economics of ‘world class’ turnarounds Understand the principles and substantially reduce costs |
Jan-99 |
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Effect of process deposits on the corrosion behavior of titanium in brine The temperature and pH need to be controlled to avoid problems |
Oct-05 |
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Effective pH control through intelligent automation This technology can improve reliability while reducing operating costs |
Oct-07 |
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Effectively design and stimulate thermosyphon reboiler systems, Part 1 Use these guidelines for an understanding of operating and modeling these low-maintenance exchanges |
Jun-95 |
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Effectively design and stimulate thermosyphon reboiler systems, Part 2 Use these guidelines for an understanding of operating and modeling these low-maintenance exchangers |
Jul-95 |
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Eliminate risky trends in reliability management Follow these guidelines to improve process safety and reduce maintenance costs |
Jan-08 |
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Energy waste: A process quality defect? Many engineers know how their companies could profitably save energy, but the problem is to convince management |
Feb-96 |
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Enhancing equipment performance and operating life: an update Four upgrade opportunities are presented |
May-07 |
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Environmental Processes Handbook This handbook-type industry reference source features emerging remedial processes handling air, water and solid HPI waste streams. Each 'clean' process technology description includes flow diagram as well as application, operations, waste definitions, regulatory applications, economics and licensor information. |
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Environmental Processes '93 |
Aug-93 | ||
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Environmental Processes '94 |
Aug-94 | ||
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Environmental Processes '96 |
Aug-96 | ||
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Environmental Processes '98 |
Aug-98 | ||
Equipment health management program improves plant reliability Following these guidelines will ensure a well-designed and efficient plant |
Oct-97 |
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Evaluate piping dynamic stresses Use these calculations for a quick, accurate analysis |
Jun-00 |
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Evaluating troubleshooting skills Use this test to help prevent and solve plant problems |
Oct-00 |
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Experience with pump gas seals Lab tests and field installations show the advantages of this technology for many applications |
Jan-97 |
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Failure analysis of a primary reformer riser Investigation revealed the root cause was creep rupture |
Nov-03 |
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| Failure analysis of a steam–hydrocarbon reformer Catalyst and tube performance should be monitored to prevent problems |
Mar-07 |
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| Failure analysis of an ethylene cracking heater finned tube Here’s what caused the leak and the steps taken to prevent future leaks |
May-07 |
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Field analysis of multisection compressors Use these guidelines to help ensure proper procedures are followed |
Jan-98 |
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Fieldbus improves control and asset management Substantial benefits are realized from increased diagnostics and process data. |
Jan-02 |
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Find equipment misalignment quickly and easily Use infrared thermography to improve predictive maintenance |
Jan-96 |
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Fine-tune SCR operations Improving the quality of aqueous ammonia can reduce maintenance and raise reliability for pollutant-abatement system |
Jan-05 |
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Flexible-element couplings: How safe is safe? Use these guidelines to help evaluate disc and diaphragm designs for turbomachinery |
Dec-94 |
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Flow-induced noise and vibration in turbocompressors and piping systems Identify, diagnose and solve related problems |
Oct-00 |
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Gas lubricated mechanical seals for pumps New designs decrease the conversion cost for older pumps and improve reliability |
Jan-01 |
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Gas turbine fuel nozzle refurbishment Follow these guidelines to improve reliability and reduce emissions |
Jan-04 |
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Gear standards: comparing ratings and requirements Understanding the differences can help reduce problems |
Aug-02 | ||